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79917 (1999 CU22)
Classification: Main-belt Asteroid          SPK-ID: 2079917
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1449036478563005 3.5051e-08  
a 2.652678729116065 1.208e-08 au
q 2.268295904676332 9.2063e-08 au
i 11.48604106424002 3.7797e-06 deg
node 335.5015899975669 1.7094e-05 deg
peri 62.19693733121356 2.1285e-05 deg
M 144.9416071626485 1.1901e-05 deg
tp 2458761.145688846288
(2019-Oct-04.64568885)
5.1935e-05 TDB
period 1578.066895302645
4.32
1.078e-05
2.951e-08
d
yr
n .228127211255489 1.5584e-09 deg/d
Q 3.037061553555798 1.3831e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1332  
   data-arc span      8177 days (22.39 yr)  
   first obs. used      1999-01-19  
   last obs. used      2021-06-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46555  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 23:09:55  

Additional Information
 Earth MOID = 1.29877 au 
 Jupiter MOID = 2.49429 au 
 T_jup = 3.346 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.73   n/a MPO637112  
diameter diameter 7.735 km 0.051 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.047   0.003 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

79917 (1999 CU22)          Discovered 1999-Feb-10 by LINEAR at Socorro
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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